Table 1. Demographic characteristics and sleep indices (n=27).
| Variable | Value | |||
|---|---|---|---|---|
| Age (yr) | 40.52±7.68 | |||
| Sex | ||||
| Male | 22 (81.5) | |||
| Female | 5 (18.5) | |||
| Education | ||||
| High school | 1 (3.7) | |||
| College/university | 14 (51.9) | |||
| Graduate | 11 (40.7) | |||
| No answer | 1 (3.7) | |||
| Physiological tool | ||||
| PSG | ||||
| SOL (minutes) | 5.52±4.60 | |||
| TST (minutes) | 317.15±36.04 | |||
| SE (%) | 89.59±9.42 | |||
| ODI (per hour) | 13.24±15.55 | |||
| AHI (per hour) | 17.57±20.43 | |||
| Mild | 7 (25.9) | |||
| Moderate | 2 (7.4) | |||
| Severe | 7 (25.9) | |||
| AI (per hour) | 19.90±11.21 | |||
| Self-report measures | ||||
| KSS score | 3.30±1.41 | |||
| SSS score | 2.26±0.53 | |||
| Sleep variables | ||||
| KSS score, before sleep | 7.15±1.70 | |||
| SOL (minutes) | 5.52±4.60 | |||
Data are mean±standard deviation or n (%) values.
AHI, apnea hypopnea index; AI, arousal index; KSS, Karolinska Sleepiness Scale; ODI, oxygen desaturation index; PSG, polysomnography; SE, sleep efficiency; SOL, sleep onset latency; SSS, Stanford Sleepiness Scale; TST, total sleep time.